intel / intel/llvm

DX12 interop tests hang on Win BMG with driver 101.8860

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bug confirmed
Dominant language
LLVM
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Merged PRs (30d)
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Description

### Describe the bug

```
Run Invoke-WebRequest -Uri "https://raw.githubusercontent.com/intel/llvm/refs/heads/sycl/devops/scripts/windows_detect_hung_tests.ps1" -OutFile "windows_detect_hung_tests.ps1" -Headers @{Authorization = "***"}
Test d:\github\_work\llvm\llvm\build-e2e\bindless_images\dx12_interop\output\d3d12_sycl_buffer_timeline_semaphore.cpp.tmp.exe hung!
Test d:\github\_work\llvm\llvm\build-e2e\bindless_images\dx12_interop\output\d3d12_sycl_interop_2d_write_unsampled.cpp.tmp.exe hung!
Test d:\github\_work\llvm\llvm\build-e2e\bindless_images\dx12_interop\output\d3d12_sycl_interop_3d_write_unsampled.cpp.tmp.exe hung!

```

https://github.com/intel/llvm/actions/runs/28966480114/job/85960073168?pr=14114

### To reproduce

1. Include a code snippet that is as short as possible
2. Specify the command which should be used to compile the program
3. Specify the command which should be used to launch the program
4. Indicate what is wrong and what was expected

### Environment

- OS: [e.g Windows/Linux]
- Target device and vendor: [e.g. Intel GPU]
- DPC++ version: [e.g. commit hash or output of `clang++ --version`]
- Dependencies version: [e.g. the output of `sycl-ls --verbose`]

### Additional context

_No response_

Contributor guide

Open the contributing guide

Research direction

Start with the Windows DX12 interop job linked in the issue and run windows_detect_hung_tests.ps1 against the three named .cpp.tmp.exe tests on Win BMG with driver 101.8860. Compare the hang behavior across the affected tests and record whether the tests complete or remain blocked, with enough environment details to distinguish a test issue from a driver issue.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, github-actions, powershell
Domain
computer-graphics, operating-systems, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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